vue hello world项目
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

19 lines
810 B

var $ = require('../internals/export');
var fails = require('../internals/fails');
var isObject = require('../internals/is-object');
var classof = require('../internals/classof-raw');
var ARRAY_BUFFER_NON_EXTENSIBLE = require('../internals/array-buffer-non-extensible');
// eslint-disable-next-line es/no-object-issealed -- safe
var $isSealed = Object.isSealed;
var FAILS_ON_PRIMITIVES = fails(function () { $isSealed(1); });
// `Object.isSealed` method
// https://tc39.es/ecma262/#sec-object.issealed
$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES || ARRAY_BUFFER_NON_EXTENSIBLE }, {
isSealed: function isSealed(it) {
if (!isObject(it)) return true;
if (ARRAY_BUFFER_NON_EXTENSIBLE && classof(it) == 'ArrayBuffer') return true;
return $isSealed ? $isSealed(it) : false;
}
});